Upper tool holder apparatus for press brake

Details Upper tool holder apparatus for press brake Upper tool holder apparatus for press brake

1996-09-27

1998-08-18

Jones, David

Metal deforming

Tool and/or tool holder

Having unitary tool-face

724816, 724828, 72462, B21D 502, B21D 504

Patent

active

057944865

ABSTRACT:
An upper tool clamp is provided that is supported by a holder body arranged on an upper table of a press brake, so that the upper tool clamp can be oscillated between a clamped state and an unclamped state. A pressing member is mounted on a lower portion of the upper tool clamp in order to press an upper tool on an upper tool support portion which is mounted on a lower portion of the holder body. Further, an engage projection is formed on the upper tool clamp and freely engageable with a drop prevention groove which is formed on the upper tool. In addition, a first clamp/unclamp device and a second clamp/unclamp device are mounted on the holder body, respectively.

REFERENCES:
patent: 4993255 (1991-02-01), Treillet
patent: 5511407 (1996-04-01), Kawano
patent: 5513514 (1996-05-01), Kawano

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